Measurements:
°C
°F
CURRENT WEATHER
08:15
Hilo
78°F
SW 5 mph
Feels like: 80°F
Precip: 0%
World Resorts USA Hilo Weather

7 Day Weather Forecast

04.23
thu
DAY
80°F
SW 9 mph
precip
62%
NIGHT
74°F
S 6 mph
precip
69%
04.24
fri
DAY
76°F
SW 8 mph
precip
100%
NIGHT
70°F
S 6 mph
precip
60%
04.25
sat
DAY
78°F
SW 9 mph
precip
86%
NIGHT
72°F
S 2 mph
precip
100%
04.26
sun
DAY
80°F
W 9 mph
precip
86%
NIGHT
72°F
S 1 mph
precip
100%
04.27
mon
DAY
78°F
W 10 mph
precip
100%
NIGHT
72°F
NW 2 mph
precip
100%
04.28
tue
DAY
76°F
W 8 mph
precip
100%
NIGHT
72°F
SW 4 mph
precip
71%
04.29
wed
DAY
74°F
W 9 mph
precip
100%
NIGHT
72°F
SW 4 mph
precip
100%

Hilo Sea Water Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Hilo was 24.8°F. The maximum and minimum values were 24.2°F and 25.7°F respectively.

Hilo on the Weather Map

Best Time to Visit Hilo
The most sunny months:
January 17 days
October 15 days
June 14 days
The most warm months:
September 81.3 °F
August 81.1 °F
October 81.0 °F
Warmest sea temperature:
September 83.7 °F
October 83.3 °F
August 83.1 °F
The most cold months:
March 75.8 °F
February 75.9 °F
April 75.9 °F
The most rainy months:
March 6 days
November 5 days
February 5 days
The most windy months:
March 8 mph
April 8 mph
August 8 mph
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